Speed decreases more the denser the medium.
Since density of a material normally decreases with temperature, it is not surprising that the speed of light in a liquid will normally increase as the temperature increases. (Thus, the index of refraction normally decreases)
a)Gamma
Explanation:
Gamma rays are chargeless. So they cannot be deflected by electric or magnetic fields
Explanation:
Kinetic energy = 1/2mv^2
The answer is in the pic above
Answer:
c. 25 rpm
Explanation:
The inertia of both disk is the same so








